I just finished the upgrading of my K40 Laser cutter with following topics:

Controllers Smoothie
,
1

I just finished the upgrading of my K40 Laser cutter with following topics:
bigger workspace, air-assist, smoothieboard, focus-gauge, Z-table. I wrote a small summary of my experiences for anyone who is interested to do the same thing…

http://johann.langhofer.net/lasercutter/

2

reshared with K40 community https://plus.google.com/u/0/communities/118113483589382049502

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Adding it to the documentation